It appears you're interested in specifications for the ATK 620 Intimidator. This Cross / motocross model is powered by a Single cylinder, two-stroke engine with 616.00 ccm (37.59 cubic inches) of actual displacement before 10.3:1 compression. Fueling is metered via Carburettor. 39mm Keihin allowing this machine to produce its horsepower and torque. According to our records engine heat of the ATK 620 Intimidator is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Single disc rear brakes. The ATK 620 Intimidator was launched in 2008, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.